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path: root/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/nvm.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/nvm.c55
1 files changed, 24 insertions, 31 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
index ae8177222881..953218f1e025 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
- * Copyright (C) 2012-2014, 2018-2019, 2021-2023 Intel Corporation
+ * Copyright (C) 2012-2014, 2018-2019, 2021-2025 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
@@ -9,8 +9,7 @@
#include "iwl-trans.h"
#include "iwl-csr.h"
#include "mvm.h"
-#include "iwl-eeprom-parse.h"
-#include "iwl-eeprom-read.h"
+#include "iwl-nvm-utils.h"
#include "iwl-nvm-parse.h"
#include "iwl-prph.h"
#include "fw/acpi.h"
@@ -121,7 +120,7 @@ static int iwl_nvm_read_chunk(struct iwl_mvm *mvm, u16 section,
} else {
IWL_DEBUG_EEPROM(mvm->trans->dev,
"NVM access command failed with status %d (device: %s)\n",
- ret, mvm->trans->name);
+ ret, mvm->trans->info.name);
ret = -ENODATA;
}
goto exit;
@@ -192,7 +191,7 @@ static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section,
while (ret == length) {
/* Check no memory assumptions fail and cause an overflow */
if ((size_read + offset + length) >
- mvm->trans->trans_cfg->base_params->eeprom_size) {
+ mvm->trans->mac_cfg->base->eeprom_size) {
IWL_ERR(mvm, "EEPROM size is too small for NVM\n");
return -ENOBUFS;
}
@@ -207,7 +206,7 @@ static int iwl_nvm_read_section(struct iwl_mvm *mvm, u16 section,
offset += ret;
}
- iwl_nvm_fixups(mvm->trans->hw_id, section, data, offset);
+ iwl_nvm_fixups(mvm->trans->info.hw_id, section, data, offset);
IWL_DEBUG_EEPROM(mvm->trans->dev,
"NVM section %d read completed\n", section);
@@ -227,7 +226,7 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
/* Checking for required sections */
if (mvm->trans->cfg->nvm_type == IWL_NVM) {
if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
- !mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) {
+ !mvm->nvm_sections[mvm->trans->mac_cfg->base->nvm_hw_section_num].data) {
IWL_ERR(mvm, "Can't parse empty OTP/NVM sections\n");
return NULL;
}
@@ -245,7 +244,7 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
return NULL;
}
/* MAC_OVERRIDE or at least HW section must exist */
- if (!mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data &&
+ if (!mvm->nvm_sections[mvm->trans->mac_cfg->base->nvm_hw_section_num].data &&
!mvm->nvm_sections[NVM_SECTION_TYPE_MAC_OVERRIDE].data) {
IWL_ERR(mvm,
"Can't parse mac_address, empty sections\n");
@@ -261,7 +260,7 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
}
}
- hw = (const __be16 *)sections[mvm->cfg->nvm_hw_section_num].data;
+ hw = (const __be16 *)sections[mvm->trans->mac_cfg->base->nvm_hw_section_num].data;
sw = (const __le16 *)sections[NVM_SECTION_TYPE_SW].data;
calib = (const __le16 *)sections[NVM_SECTION_TYPE_CALIBRATION].data;
mac_override =
@@ -309,16 +308,15 @@ int iwl_nvm_init(struct iwl_mvm *mvm)
int ret, section;
u32 size_read = 0;
u8 *nvm_buffer, *temp;
- const char *nvm_file_C = mvm->cfg->default_nvm_file_C_step;
- if (WARN_ON_ONCE(mvm->cfg->nvm_hw_section_num >= NVM_MAX_NUM_SECTIONS))
+ if (WARN_ON_ONCE(mvm->trans->mac_cfg->base->nvm_hw_section_num >= NVM_MAX_NUM_SECTIONS))
return -EINVAL;
/* load NVM values from nic */
/* Read From FW NVM */
IWL_DEBUG_EEPROM(mvm->trans->dev, "Read from NVM\n");
- nvm_buffer = kmalloc(mvm->trans->trans_cfg->base_params->eeprom_size,
+ nvm_buffer = kmalloc(mvm->trans->mac_cfg->base->eeprom_size,
GFP_KERNEL);
if (!nvm_buffer)
return -ENOMEM;
@@ -339,7 +337,7 @@ int iwl_nvm_init(struct iwl_mvm *mvm)
break;
}
- iwl_nvm_fixups(mvm->trans->hw_id, section, temp, ret);
+ iwl_nvm_fixups(mvm->trans->info.hw_id, section, temp, ret);
mvm->nvm_sections[section].data = temp;
mvm->nvm_sections[section].length = ret;
@@ -368,7 +366,7 @@ int iwl_nvm_init(struct iwl_mvm *mvm)
mvm->nvm_reg_blob.size = ret;
break;
default:
- if (section == mvm->cfg->nvm_hw_section_num) {
+ if (section == mvm->trans->mac_cfg->base->nvm_hw_section_num) {
mvm->nvm_hw_blob.data = temp;
mvm->nvm_hw_blob.size = ret;
break;
@@ -385,21 +383,8 @@ int iwl_nvm_init(struct iwl_mvm *mvm)
/* read External NVM file from the mod param */
ret = iwl_read_external_nvm(mvm->trans, mvm->nvm_file_name,
mvm->nvm_sections);
- if (ret) {
- mvm->nvm_file_name = nvm_file_C;
-
- if ((ret == -EFAULT || ret == -ENOENT) &&
- mvm->nvm_file_name) {
- /* in case nvm file was failed try again */
- ret = iwl_read_external_nvm(mvm->trans,
- mvm->nvm_file_name,
- mvm->nvm_sections);
- if (ret)
- return ret;
- } else {
- return ret;
- }
- }
+ if (ret)
+ return ret;
}
/* parse the relevant nvm sections */
@@ -555,7 +540,7 @@ int iwl_mvm_init_mcc(struct iwl_mvm *mvm)
struct ieee80211_regdomain *regd;
char mcc[3];
- if (mvm->cfg->nvm_type == IWL_NVM_EXT) {
+ if (mvm->trans->cfg->nvm_type == IWL_NVM_EXT) {
tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
nvm_lar = mvm->nvm_data->lar_enabled;
@@ -612,6 +597,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
char mcc[3];
struct ieee80211_regdomain *regd;
int wgds_tbl_idx;
+ bool changed = false;
lockdep_assert_held(&mvm->mutex);
@@ -631,10 +617,15 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
IWL_DEBUG_LAR(mvm,
"RX: received chub update mcc cmd (mcc '%s' src %d)\n",
mcc, src);
- regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, NULL);
+ regd = iwl_mvm_get_regdomain(mvm->hw->wiphy, mcc, src, &changed);
if (IS_ERR_OR_NULL(regd))
return;
+ if (!changed) {
+ IWL_DEBUG_LAR(mvm, "RX: No change in the regulatory data\n");
+ goto out;
+ }
+
wgds_tbl_idx = iwl_mvm_get_sar_geo_profile(mvm);
if (wgds_tbl_idx < 1)
IWL_DEBUG_INFO(mvm,
@@ -645,5 +636,7 @@ void iwl_mvm_rx_chub_update_mcc(struct iwl_mvm *mvm,
wgds_tbl_idx);
regulatory_set_wiphy_regd(mvm->hw->wiphy, regd);
+
+out:
kfree(regd);
}
generated by cgit (git 2.34.1) at 2025-07-02 23:15:28 +0000